← Search Journal of Applied Psychology 1960 Factor structure and predictability of successive stages of learning Morse code. Edwin A. Fleishman; Benjamin Fruchter DOI10.1037/h0046447 Sources semanticscholar openalex Cite APA 7 MLA 9 Chicago (author–date) Harvard Elsevier Harvard (JFE, JBF…) The Accounting Review Academy of Management American Marketing Association INFORMS (Management Science) Copy citation Copied ✓